نتایج جستجو برای: organic load
تعداد نتایج: 348210 فیلتر نتایج به سال:
Lateglacial climatic oscillations exerted profound impacts on the Meuse fluvial system. In Lower (southern Netherlands), geomorphological studies in last decades mainly centred vegetation evolution, channel pattern changes and river terrace formation. Little information has been reported about paleohydrology its relation with regional climate conditions. This study investigates a sediment core ...
Background and Aims: This is a descriptive and cross sectional study. The aim of this study was to investigate the environmental ranking of industries located at west of Tehran based on the quantitative and qualitative characteristics of industrial wastewaters in 2011. Methods: This study was conducted by site visit, questionnaire completion , database production and results analysis. The q...
Pelareh Dairy Industry (PDI) is located in the west of Iran. The aim of the present study was to assess the quality and quantity of PDI wastewater and compare the results with the regulations. PDI has a wastewater treatment plant that consists of sewage collection system, screening system, equalization tank, clarification tank, anaerobic system for pretreatment, activated sludge processing, dis...
To prevent Ebola transmission, frequent handwashing is recommended in Ebola Treatment Units and communities. However, little is known about which handwashing protocol is most efficacious. We evaluated six handwashing protocols (soap and water, alcohol-based hand sanitizer (ABHS), and 0.05% sodium dichloroisocyanurate, high-test hypochlorite, and stabilized and non-stabilized sodium hypochlorite...
Typical load-bearing biological materials like bone, mineralized tendon and shell, are biocomposites made from both organic (collagen) and inorganic (biomineral) materials. This amazing class of materials with intrinsic internally designed hierarchical structures show superior mechanical properties with regard to their weak components from which they are formed. Extensive investigations concent...
Background and Aim: Considering the acute and chronic effects of organic solvents to which vehicle painters are exposed for long periods of time, their evaluation and control is crucial for protection of health of the employees. This study aimed to find the most influential factors on exposure to, and spreading pollution with, benzene, toluene, xylem, and etylebenzene (BTEX) in order to be abl...
In this paper, using parabolic mirrors, a solar field was designed, which was related to a storage tank for a residential complex in the city of Tafresh located in the center of Iran. The design was performed for the existing oils: VP1, THERMINOL 66, THERMINOL 59. Finally, considering an organic cycle with R123 as working fluid and assuming a minimum length required for oil flow rate to reach a...
The relationship between the concentration of heavy metals and physicochemical factors was studied in the fine-grained sediments of the tidal section of the Mehran delta where mangrove trees have grown. Surface sediments of the tidal zone of the Mehran delta were sampled. The grain size distribution, calcium carbonate, organic matter contents, pH/Eh, and heavy metals concentration were determin...
In this study, the crack distribution and electromagnetic shielding characteristics of UHPFRCC before after cracking were evaluated according to fiber combinations. After evaluating mechanical electrical properties each combination, an test a non-cracked panel specimen was conducted. Subsequently, subjected monotonic load or repeated load. case with repetitive load, length, area, measured at st...
Climate change is one of the main problems that humanity currently facing due to carbon dioxide emissions caused by fossil fuel consumption. Organic Rankine cycles may play an important role in reducing these since they can use industrial waste heat or renewable energies. This study presents proposal and modeling organic cycle integrated into a double-effect absorption cooling system for simult...
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